diff options
Diffstat (limited to 'indra')
3 files changed, 151 insertions, 13 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightAlphaMaskF.glsl new file mode 100644 index 0000000000..eb7a95513c --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightAlphaMaskF.glsl @@ -0,0 +1,149 @@ +/** + * @file fullbrightF.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2007, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +#extension GL_ARB_texture_rectangle : enable + +#ifdef DEFINE_GL_FRAGCOLOR +out vec4 frag_color; +#else +#define frag_color gl_FragColor +#endif + +#if !HAS_DIFFUSE_LOOKUP +uniform sampler2D diffuseMap; +#endif + +VARYING vec3 vary_position; +VARYING vec4 vertex_color; +VARYING vec2 vary_texcoord0; + +vec3 fullbrightAtmosTransport(vec3 light); +vec3 fullbrightScaleSoftClip(vec3 light); + +uniform float minimum_alpha; + +#ifdef WATER_FOG +uniform vec4 waterPlane; +uniform vec4 waterFogColor; +uniform float waterFogDensity; +uniform float waterFogKS; + +vec4 applyWaterFogDeferred(vec3 pos, vec4 color) +{ + //normalize view vector + vec3 view = normalize(pos); + float es = -(dot(view, waterPlane.xyz)); + + //find intersection point with water plane and eye vector + + //get eye depth + float e0 = max(-waterPlane.w, 0.0); + + vec3 int_v = waterPlane.w > 0.0 ? view * waterPlane.w/es : vec3(0.0, 0.0, 0.0); + + //get object depth + float depth = length(pos - int_v); + + //get "thickness" of water + float l = max(depth, 0.1); + + float kd = waterFogDensity; + float ks = waterFogKS; + vec4 kc = waterFogColor; + + float F = 0.98; + + float t1 = -kd * pow(F, ks * e0); + float t2 = kd + ks * es; + float t3 = pow(F, t2*l) - 1.0; + + float L = min(t1/t2*t3, 1.0); + + float D = pow(0.98, l*kd); + + color.rgb = color.rgb * D + kc.rgb * L; + color.a = kc.a + color.a; + + return color; +} +#endif + +vec3 srgb_to_linear(vec3 cs) +{ + +/* { cs / 12.92, cs <= 0.04045 + cl = { + { ((cs + 0.055)/1.055)^2.4, cs > 0.04045*/ + + return pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4)); +} + +vec3 linear_to_srgb(vec3 cl) +{ + /*{ 0.0, 0 <= cl + { 12.92 * c, 0 < cl < 0.0031308 + cs = { 1.055 * cl^0.41666 - 0.055, 0.0031308 <= cl < 1 + { 1.0, cl >= 1*/ + + return 1.055 * pow(cl, vec3(0.41666)) - 0.055; +} + +void main() +{ +#if HAS_DIFFUSE_LOOKUP + vec4 color = diffuseLookup(vary_texcoord0.xy); +#else + vec4 color = texture2D(diffuseMap, vary_texcoord0.xy); +#endif + + float final_alpha = color.a * vertex_color.a; + + if (color.a < minimum_alpha) + { + discard; + } + + color.rgb *= vertex_color.rgb; + color.rgb = srgb_to_linear(color.rgb); + + + color.rgb = fullbrightAtmosTransport(color.rgb); + color.rgb = fullbrightScaleSoftClip(color.rgb); + + color.rgb = linear_to_srgb(color.rgb); + +#ifdef WATER_FOG + vec3 pos = vary_position; + vec4 fogged = applyWaterFogDeferred(pos, vec4(color.rgb, final_alpha)); + color.rgb = fogged.rgb; + color.a = fogged.a; +#else + color.a = final_alpha; +#endif + + frag_color.rgb = color.rgb; + frag_color.a = color.a; +} + diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl index a532b67cd9..21349e8c63 100755 --- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl @@ -122,17 +122,8 @@ void main() float final_alpha = color.a * vertex_color.a; -#ifdef HAS_ALPHA_MASK - if (color.a < minimum_alpha) - { - discard; - } -#endif - color.rgb *= vertex_color.rgb; color.rgb = srgb_to_linear(color.rgb); - - color.rgb = fullbrightAtmosTransport(color.rgb); color.rgb = fullbrightScaleSoftClip(color.rgb); diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp index 8411fd250b..07953c38fb 100755 --- a/indra/newview/llviewershadermgr.cpp +++ b/indra/newview/llviewershadermgr.cpp @@ -1611,9 +1611,8 @@ BOOL LLViewerShaderMgr::loadShadersDeferred() gDeferredFullbrightAlphaMaskProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels; gDeferredFullbrightAlphaMaskProgram.mShaderFiles.clear(); gDeferredFullbrightAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightV.glsl", GL_VERTEX_SHADER_ARB)); - gDeferredFullbrightAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB)); + gDeferredFullbrightAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightAlphaMaskF.glsl", GL_FRAGMENT_SHADER_ARB)); gDeferredFullbrightAlphaMaskProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED]; - gDeferredFullbrightAlphaMaskProgram.addPermutation("HAS_ALPHA_MASK","1"); success = gDeferredFullbrightAlphaMaskProgram.createShader(NULL, NULL); } @@ -1642,10 +1641,9 @@ BOOL LLViewerShaderMgr::loadShadersDeferred() gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels; gDeferredFullbrightAlphaMaskWaterProgram.mShaderFiles.clear(); gDeferredFullbrightAlphaMaskWaterProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightV.glsl", GL_VERTEX_SHADER_ARB)); - gDeferredFullbrightAlphaMaskWaterProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB)); + gDeferredFullbrightAlphaMaskWaterProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightAlphaMaskF.glsl", GL_FRAGMENT_SHADER_ARB)); gDeferredFullbrightAlphaMaskWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED]; gDeferredFullbrightAlphaMaskWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER; - gDeferredFullbrightAlphaMaskWaterProgram.addPermutation("HAS_ALPHA_MASK","1"); gDeferredFullbrightAlphaMaskWaterProgram.addPermutation("WATER_FOG","1"); success = gDeferredFullbrightAlphaMaskWaterProgram.createShader(NULL, NULL); } |